<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
        <div class="favorite" @click="toggleFavorite($event)">
          <i class="icon-favorite" :class="{'active': favorite}"></i>
          <span class="text">{{favoriteText}}</span>
        </div>
        <div></div>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="(item,index) in seller.supports" :key="index">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="pics">
        <h1 class="title">商家实景</h1>
        <div class="pic-wrapper" ref="picWrapper">
          <ul class="pic-list" ref="picList">
            <li class="pic-item" v-for="pic in seller.pics" :key="pic.index">
              <img :src="pic" width="120" height="90">
            </li>
          </ul>
        </div>
      </div>
      <split></split>
      <div class="info">
        <h1 class="title border-1px">商家信息</h1>
        <ul>
          <li class="info-item" v-for="info in seller.infos" :key="info.index">{{info}}</li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
import BScroll from 'better-scroll'
import Star from '../star/star'
import Split from '../split/split'
import {savaToLocal, loadFromLocal} from 'common/js/store'

export default {
  name: 'seller',
  components: {Split, Star},
  props: {
    seller: Object
  },
  data () {
    return {
      favorite: (() => {
        return loadFromLocal(this.seller.id, 'favorite', false)
      })()
    }
  },
  computed: {
    favoriteText () {
      return this.favorite ? '已收藏' : '收藏'
    }
  },
  created () {
    this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee']
  },
  watch: {
    seller () {
      // 第一次进入时检测seller的变化
      this.$nextTick(() => {
        this._initScroll()
        this._initPics()
      })
    }
  },
  mounted () {
    // 切换的时候又重新执行一次生命周期
    this._initScroll()
    this._initPics()
  },
  methods: {
    _initScroll () {
      // 初始化better-scroll
      if (!this.scroll) {
        this.scroll = new BScroll(this.$refs.seller, {
          click: true
        })
      } else {
        this.scroll.refresh()
      }
    },
    _initPics () {
      if (this.seller.pics) {
        let picWidth = 120
        let margin = 6
        let width = (picWidth + margin) * this.seller.pics.length - margin
        this.$refs.picList.style.width = width + 'px'
        this.$nextTick(() => {
          if (!this.picScroll) {
            this.picScroll = new BScroll(this.$refs.picWrapper, {
              scrollX: true,
              eventPassthrough: 'vertical'
            })
          } else {
            this.picScroll.refresh()
          }
        })
      }
    },
    toggleFavorite (event) {
      if (!event._constructed) {
        return
      }
      this.favorite = !this.favorite
      savaToLocal(this.seller.id, 'favorite', this.favorite)
    }
  }
}
</script>

<style lang="stylus" rel="stylesheet/stylus">
@import "../../common/stylus/mixin.styl"
.seller
  position absolute
  top 174px
  left 0
  bottom 0
  width 100%
  overflow hidden
  .overview
    position relative
    margin-top 8px
    padding 18px
    .title
      margin-bottom 8px
      line-height 14px
      font-size 14px
      color rgb(7,17,27)
    .desc
      padding-bottom 18px
      border-1px(rgba(7,17,27,0.1))
      font-size 0
      .star
        display inline-block
        vertical-align top
        margin-right 8px
      .text
        display inline-block
        vertical-align top
        margin-right 12px
        line-height 18px
        font-size 10px
        color rgb(77,80,93)
    .remark
      display flex
      padding-top 18px
      .block
        flex 1
        text-align center
        border-right 1px solid rgba(7,17,27,0.1)
        &:last-child
          border-right none
        h2
          margin-bottom 4px
          line-height 10px
          font-size 10px
          color rgb(147,153,159)
        .content
          line-height 10px
          font-size 10px
          font-weight 200
          color rgb(147,153,159)
          .stress
            line-height 24px
            font-weight 200
            font-size 24px
            color rgb(7,17,27)
    .favorite
      position absolute
      top 18px
      right 11px
      width 50px
      text-align center
      .icon-favorite
        display block
        margin-bottom 4px
        line-height 24px
        font-size 24px
        color #d4d6d9
        &.active
          color rgb(240,20,20)
      .text
        line-height 10px
        font-size 10px
        color rgb(77,85,93)
  .bulletin
    padding 18px 18px 0 18px
    .title
      margin-bottom 8px
      line-height 14px
      font-size 14px
      color rgb(7,17,27)
    .content-wrapper
      padding 0 12px 16px 12px
      border-1px(rgba(7,17,27,0.1))
      .content
        line-height 24px
        font-size 12px
        font-weight 200
        color rgb(240,20,20)

    .supports
      .support-item
        padding: 16px 12px
        border-1px(rgba(7, 17, 27, .1))
        font-size: 0
        &:last-child
          border-none()
      .icon
        display: inline-block
        vertical-align: top
        width: 16px
        height: 16px
        margin-right: 4px
        background-size: 16px 16px
        background-repeat: no-repeat
        &.decrease
          bg-image('decrease_4')
        &.discount
          bg-image('discount_4')
        &.guarantee
          bg-image('guarantee_4')
        &.invoice
          bg-image('invoice_4')
        &.special
          bg-image('special_4')
      .text
        line-height: 16px
        font-size: 12px
        font-weight 200
        color: rgb(7, 17, 27)
  .pics
    padding 18px
    padding-right 0
    .title
      margin-bottom 12px
      line-height 14px
      font-size 14px
      color rgb(7,17,27)
    .pic-wrapper
      width 100%
      overflow hidden
      white-space nowrap
      .pic-list
        padding-right 18px
        font-size 0
        .pic-item
          display inline-block
          margin-right 6px
          width 120
          height 90
          &:last-child
            margin 0
  .info
    padding 18px 18px 0 18px
    color rgb(7,17,27)
    .title
      padding-bottom 12px
      line-height 14px
      font-size 14px
      border-1px(rgba(7,17,27,0.1))
    .info-item
      padding 16px 12px
      line-height 16px
      font-size 12px
      border-1px(rgba(7,17,27,0.1))
      &:last-child
        border none
</style>
